Improved bacterial recovery by membrane filters in the presence of food debris

Author:

Farber J M,Sharpe A N

Abstract

In the absence of food debris, m-FC agar counts of Escherichia coli on Oxoid Nuflow membrane filters (Oxoid Canada Inc., Nepean, Ontario, Canada) were lower than the corresponding surface plate counts. For seven food types tested, recovery of E. coli improved with increasing thickness of food debris on the membrane filter, and mats thicker than 0.5 micron protected the organism completely.

Publisher

American Society for Microbiology

Subject

Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology

Reference15 articles.

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3. Effect of prefiltration and enzyme treatment on membrane filtration of foods;Entis P.;J. Food Prot.,1982

4. Comparison of the new Millipore HC with conventional membrane filters for the enumeration of fecal coliform bacteria;Green B. L.;Appl. Microbiol.,1975

5. Ott L. 1977. Introduction to statistical methods and data analysis p. 354-396. Duxbury Press North Scituate Mass.

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